{$APPTYPE CONSOLE}
{$R+,S+,Q+,I+,C+,M+,H+,O-}
{R-,S-,Q-,I-,C-,M-,H-,O+}

uses 
	SysUtils, Math;

var 
	i, n : longint;
	a : array[0..100010] of longint;
	
begin
{$IFNDEF ONLINE_JUDGE}
	reset(input,'input.txt');
	rewrite(output,'output.txt');
{$ENDIF}

end.

//writeln(FormatDateTime('hh:mm:ss.zzz', now));